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Mass Transfer

Mass Transfer
The film penetration model of mass transfer was enunciated by

Fick
Toor and Marchello
Gilliland
Stefan

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Mass Transfer
__________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction.

Spray
Tray
Packed
Bubble

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Mass Transfer
If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent.

> 100
None of these
100
< 100

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Mass Transfer
Which of the following adsorbent is used to decolourise yellow glycerine?

Silica gel
Alumina
Fuller
Activated carbon

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Mass Transfer
Water entrained by circulating air in cooling towers is termed as

Drift
Blow down
None of the listed here
Vapor load

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Mass Transfer
The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m²/m³)

50
500
1000
100

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